Asked by Rheagan Whitefield on Jun 18, 2024
Verified
The closest living relatives of tetrapod include
A) coelacanths.
B) lungfishes.
C) telosts.
D) a and b
E) all of the above
Coelacanths
Coelacanths are rare and ancient fish known for their lobed fins, which were once thought to be extinct until living specimens were discovered in 1938.
Lungfishes
A group of freshwater fish known for their ability to breathe air using lungs in addition to gills, found in Africa, South America, and Australia.
Tetrapod
A vertebrate animal that has four limbs or limb-like appendages, including amphibians, reptiles, birds, and mammals.
- Determine and separate tetrapods, their properties, and adjacent relatives.
Verified Answer
AR
Adigrace RiateJun 19, 2024
Final Answer :
D
Explanation :
Lungfishes and coelacanths are the closest living relatives of tetrapods. Lungfishes share a more recent common ancestor with tetrapods, but both groups are more closely related to tetrapods than are any other fish groups, making both A and B correct, hence D is the correct choice.
Learning Objectives
- Determine and separate tetrapods, their properties, and adjacent relatives.